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All the data collection was made anonymously and informed consent was obtained from all the participants as the response to the questionnaires was voluntary.The study follows the ethical rules and principles applied by the healthcare services in the Västra Götaland Region and the Helsinki Declaration on research involving humans. The study has not been reviewed by the Regional Ethical Review Board of Gothenburg, as the act relating to the Ethical Review of Research Involving Humans does not apply to the current study according to the assessment of an earlier similar study: Project ID: VGFOUREG-382851.

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Not applicable.

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The authors declare that they have no competing interests.

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